Lamp-burner.



P'a tontad 'Fab. '26,; [90L 4 F; T. WILLIAMS. LAMP BURNER. (Applicationfiled Dec, 18; 41900.|

(Nu Iodal.)

o o o o o m o o v WITNESSES INVENTOR ATTORNEY TNE uunmsyrrms 00,.vhormuma. WASHINGTON)! c.

iTEE STATES PATENT OFFICE.

FRANK THEODORE WILLIAMS, OF MERIDEN, CONNECTICUT, ASSIGNOR TO EDWARDMILLER 8; COMPANY, OF SAME PLACE.

LAMP-BURNER.

SPECIFICATION forming part of Letters Patent No. 668,725, dated.February 26, 1901.

Application filed December 18, 1900- Serial No. 40,281. (No model.)

To all whom it may concern: lindrical wall D is centered with respect toBe it knownthat I, FRANK THEODORE WIL- the tube B, so that the aforesaidair space or LIAMS, a citizen of the United States, residing passagewill be of substantially uniform size at Meriden, New Haven county,Connecticut, entirelyaround said wall D Obviously other 5 have inventedcertain new and useful Imcentering means might be provided.

provements in Lamp-Burners, of which the 7 E is a stationary spreaderperforated to following is a full, clear, and exact descripformair-passages. The spreaderE may have tion. a suitable support'forexample, the center My invention relates to oil-lamps of the rod Fand itis preferably adjustable there- 1o central-draft type, and particularlyto the on, for example, by means of the nuts F F burner constructionthereof. The spreader E projects downwardly into the The chief object ofmy invention is to prewall D of the guard D; but the size of the ventunsteadiness or flickering of the flame. lower end of the spreader issuch that the This I accomplish by means which cause the guard D is freeto move up or down inde- 15 products of combustion to be mixedunipendently thereof. E is a bead or projecformly in the most efiectiveproportions, so tion formed in the side of the spreader E, .that whenlighted a flame of steady cha'racwhereby the upward excursion of theguard ter is produced of practically uniform height D may be limited.The point of elevation of around the burner. Incidentally the contheseparts may be'varied when the spreader 7o 20' struction may be such thatthe wick cannot is adjustable by raising or lowering the latbe raised toan unnecessary or dangerous ter on the center rod F. height. Anotherfeature of value is that the In Fig. 2 I have shown a modification inmeans employed may be used asan extinwhich instead of providing a beador projecguishing device. tion E on the spreader to form a stopto limit25 In the drawings, Figure 1 is a vertical secthe upward excursion ofthe guard I have tion and elevation of a lamp-burner of my formed aledge D at the lower edge of the improved construction. Fig. 2 is avertical wall D which ledge projects inwardly, so section of amodification. Fig. 3 is a vertithat when the wick is raised,and therebythe cal section of another modification. guardsay from the positionindicated in 0 In the drawings, A is an outer wick-tube. dotted lines tothe position indicated in'solid B is an inner wick-tube. C is a wickmovlines, Fig. 2the ledge D engages with the able between said tubes,which wick may be lower edge of the spreader E, which, being raised orlowered by any Well-known wick-lift stationary, acts as a stop. device.(Not shown.) In Fig. 3 I have shown another means to 5 D is a flange orguard resting upon the top limit the upward excursion of the flange D,or upper end of the wick C, which flange or and thereby the wick, saidmeans comprising guard is perforated or slotted adjacent to the a bridgeor skeleton bottom D across the botinner side of the wick, as indicatedat D. tom of the wall D which bottom D has a These perforations areprovided to afford a central opening through which the center 40 gaspassage or space adjacent the inner side post F projects. F is a nutcarried by the of the wick C. post F said nut being larger than theopen- D is a wall depending from the flange D. ing in the bottom Dthrough which said post This wall D is of such a size as to leave anpasses. Consequently when the wickis raised, air-passage between itsexterior surface and say,from the positionindicated in dotted lines 5the interior surface of the wick-tube B, so to the position indicated insolid lines, Fig. that air flowing through the wick-tube B will 3, it isprevented from being elevated beyond pass through said passage,- asindicated by the point where the bottom D engages with the arrows,Fig.1, and supply air to the root the nut or stop F. of the flame at theinner side of the wick What I'claim is 50 when the same is raised, asshown. Nibs or 1. In a-device of the character described,

bosses D may be provided whereby the cyin combination, an inner and anouter wicktube forming between the same a wick-passage, a guard adaptedto substantially cover said wick-passage, perforations in said guardadjacent the inner edge thereof, a wall depending from said guard andprojecting downwardly into the central wick-tube but spaced aparttherefrom to afford an air-passage to the inner side of the wick, astationary perforated spreader projecting downwardly and loosely intosaid depending wall.

2. In a device of the character described, in combination, an inner andan outer wicktube forming between the same a wick-passage, a guardadapted to substantially cover said wick-passage, perforations in saidguard adjacent the inner edge thereof, a wall depending from said guardand projecting downwardly into the central wick-tube but spaced aparttherefrom to afford an air-passage to the inner side of the wick, meansto center said wall with respect to the inner tube, a stationaryperforated spreader projecting downwardly and looselyinto said dependingwall.

3. In a device of the character described, in combination, an inner andan outer wicktube forming between the same a wick-passage, a guardadapted to substantially cover said wick-passage, perforations in saidguard adjacent the inner edge thereof, a wall depending from said guardand projecting downwardlyinto the central wick-tube butspaced aparttherefrom to afford an air-passage to the inner side of the wick, meanscarried by said wall to center said wall with respect to the inner tube,a stationary perforated spreader projecting downwardly and loosely intosaid depending wall.

4. In a device of the character described, in combination, an inner andan outer wicktube forming between the same a wick-passage, a guardadapted to substantially cover said wick-passage, perforations in saidguard adjacent the inner edge thereof, a wall depending from said guardand projecting downwardly into the central wick-tube but spaced aparttherefrom to afford an air-passage to the inner side of the wick, astationary perforated spreader projecting downwardly and loosely intosaid depending wall, and means to limit the upward excursion of saidwickguard.

Signed at Meriden, Connecticut, this 15th day of December, 1900.

F. THEODORE WILLIAMS.

Witnesses:

I. B. MILLER, E. A. VANCE.

